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Walker 350-34869 Oxygen Sensor - Downstream
| Brand | Walker 350-34869 |
|---|---|
| Position | Downstream |
| Product line | Walker Products Aftermarket |
| Fits | Hyundai · 4 vehicles |
OE replacement. Engineered as an original-equipment-style sensor for accurate ECU feedback.
Oxygen sensor for precise air-fuel monitoring and emissions control.
Since 1946. Walker Products has focused on engine management sensors and fuel system components.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker 350-34869 Oxygen Sensor for Veloster
Walker Products 350-34869 is an OE-style oxygen sensor built for specific Hyundai Veloster applications. It is engineered to provide the ECU with the diagnostic feedback needed for proper fuel control and emissions monitoring.
Key Features
- OE replacement oxygen sensor from Walker Products Aftermarket
- Application-specific fitment for downstream bank 1 sensor 2 locations
- Supports ECU feedback for emissions and engine management
- Built for 2013-2014 Hyundai Veloster and 2015 Hyundai Veloster applications
- Walker Products part number 350-34869 for direct catalog lookup
Detailed Description
Walker Products 350-34869 is an emission control oxygen sensor designed for the downstream position on select Hyundai Veloster models. It is intended to replace the original sensor in applications listed as B1S2, helping the vehicle’s engine management system monitor exhaust output and maintain proper air-fuel control. Walker Products develops these sensors as OE replacement parts for specific vehicle applications, fitment positions, and ECU feedback requirements. The Walker Products Aftermarket line focuses on engine management components for modern vehicles, and this part number 350-34869 is cataloged for 2013-2014 Hyundai Veloster and 2015 Hyundai Veloster downstream use.
What It Helps Address
- Check engine light related to downstream oxygen sensor performance
- Poor fuel economy caused by inaccurate exhaust feedback
- Elevated exhaust emissions from a failing sensor
- Rough engine operation tied to incorrect ECU input
- Stored fault codes associated with the affected sensor circuit
Installation Notes and Tips
Confirm the vehicle’s exact sensor location before ordering. This part fits downstream bank 1 sensor 2 on specific Hyundai Veloster models. Inspect the sensor wiring harness and connector for heat damage, corrosion, or physical wear before installation, since damaged wiring can shorten sensor life and affect readings. Verify fault codes with a scan tool and clear them after repair if required by the vehicle.
Quality Assurance
Walker Products has supplied engine management and fuel system components since 1946 and manufactures to automotive ISO 9001/TS 16949 standards. Part number 350-34869 is built as an OE replacement for the specified application and diagnostic requirements.
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2015 | Hyundai | Veloster | Turbo | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2015 | Hyundai | Veloster | Turbo R-Spec | 1.6L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2014 | Hyundai | Veloster | — | 1.6L | L4 | — | Downstream | B1S2; OE Replacement |
| 2013 | Hyundai | Veloster | — | 1.6L | L4 | — | Downstream | B1S2; OE Replacement |
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